Senior Systems Engineer (IT Infrastructure)

Avint, LLC; Tysons (VA); On-site; USD 120,000 - 165,000; Full time

Benefits offered by this job

Full health

401K plan

Generous PTO

Federal Holidays

Job summary

Avint, LLC seeks a Senior Systems Engineer to design, implement, and maintain large-scale IT infrastructure in secure environments within the National Capital Region. You will lead architecture, drive automation, and collaborate with multiple teams to meet stringent government requirements.

The role emphasizes cybersecurity, compliance, and lifecycle sustainment, with opportunities to influence design and operations across the program. Tysons location, full-time onsite.

Qualifications

• Experience delivering IT infrastructure in secure environments.
• Strong data center and virtualization background.
• Proficiency in scripting languages (PowerShell, Python, Bash).
• Familiarity with API management and cybersecurity requirements.
• Ability to engage stakeholders and work across teams.

Responsibilities

• Design and develop architectural frameworks for complex IT systems and infrastructure.
• Provide technical leadership across requirements, engineering, integration, and testing.
• Support automation and optimization of engineering processes.
• Conduct system assessments including upgrades, migrations, and new deployments.
• Develop implementation plans and work breakdown structures (WBS).
• Interface with government stakeholders on technical issues and system improvements.
• Ensure configuration management and lifecycle sustainment activities.
• Support secure, classified environments and DoD-aligned standards.

Skills

VMware ESXi

vSphere

PowerShell

Python

Bash

JSON

Active Directory

Group Policy

DNS

DHCP

PKI

Scripting & Automation

Security Compliance

Education

Bachelor's Degree in Systems Engineering

Master's Degree preferred

Tools

Windows Server

NetApp

Dell EMC

SharePoint

SQL Server

CCNA/CCNP/Security certifications

Job description

Avint is seeking a highly skilled Senior Systems Engineer to support a mission-critical program within the National Capital Region. This role focuses on the design, implementation, operations, maintenance, and cybersecurity of complex, large-scale IT infrastructure supporting secure environments.

As part of a high-performing engineering team, you will contribute to building and sustaining resilient, secure, and scalable systems that meet stringent government requirements. This position requires deep technical expertise, strong problem-solving abilities, and experience working in highly secure, classified environments.

Key Responsibilities

• Design and develop architectural frameworks for complex IT systems and infrastructure
• Provide technical leadership across requirements development, engineering, integration, and testing
• Support automation and optimization of engineering processes
• Conduct system assessments including upgrades, migrations, and new deployments
• Develop conceptual designs and implementation plans, including work breakdown structures (WBS)
• Perform research, prototyping, and integration of emerging technologies
• Develop and maintain system architecture, design documentation, and test plans
• Support configuration management and lifecycle sustainment activities
• Interface with government stakeholders on technical issues and system improvements
• Conduct system testing and validation against defined requirements
• Participate in interface design and system integration across multiple teams

Requirements

Education & Experience

• Bachelor’s Degree in Systems Engineering, Electrical Engineering, Mechanical Engineering, Computer Science, or related engineering discipline
• 5+ years of progressive systems engineering experience
• Master’s Degree preferred

Technical Qualifications

• Experience delivering IT infrastructure and integrated system solutions in secure environments
• Strong background in data center and virtualized infrastructure technologies
• Experience with:
• VMware ESXi and vSphere
• Microsoft Windows Server and Windows environments
• Active Directory and Group Policy
• DNS, DFS, DHCP
• WSUS and KMS
• Public Key Infrastructure (PKI) and Certificate Authorities
• Experience with scripting and automation (PowerShell, Python, Bash, JSON, etc.)
• Familiarity with API management
• Experience implementing highly secure systems aligned with cybersecurity and information assurance requirements

Additional Skills

• Strong communication skills with ability to engage technical and non-technical stakeholders
• Experience working in multidisciplinary teams
• Strong organizational and time management abilities
• Proficiency in Microsoft Office tools (Excel, Word, PowerPoint, Visio)

Desired Qualifications

• Experience with enterprise application virtualization (e.g., Active Directory, SQL Server, SharePoint)
• Familiarity with SCCM and OS deployment
• Experience with enterprise storage solutions (NetApp, Dell EMC, Pure Storage, etc.)
• Knowledge of DoD security standards (DISA STIGs/SRGs)
• Experience with networking, SQL infrastructure, and software-defined environments
• Relevant vendor certifications (VMware, Cisco, Microsoft, etc.)

Clearance Requirement

• Active Top Secret/SCI with Polygraph required

Joining Avint is a win-win proposition! You will feel the personal touch of a small business and receive BIG business benefits. From competitive salaries, full health, a unique 401K plan, and generous PTO and Federal Holidays.

Additionally, we encourage every Avint employee to further their professional development. To assist you in achieving your goals, we offer reimbursement for courses, exams, and tuition. Interested in a class, conference, program, or degree? Avint will invest in YOU and your professional development!

Avint is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity and Aff...

Salary $ based on experience

Location Tysons, Virginia

In addition to competitive salaries, full health, generous PTO and Federal Holidays, Avintcommits to investing in our employees. We encourage every Avint employee to further theirprofessional development, and we offer reimbursement for career-relevant courses, exams andtuition.

Avid integrity Empower excellence Your vision achieved

At Avint, Avid Integrity and Empower Excellence aren't just values, they define how we work. We hire exceptional people, trust them to lead, and give them the space and support to do the best work of their careers.